凑整145+199384－201++534-99397-98乘法结合、交换律25×13×4（13×8）×1251.25×3.2×250.8×33×1.25×8××1.25××6××÷加法交换、结合律259＋468＋741＋5327.8+5.4+2.2+4.6+++7.26++2.74+++++++7.8+5.4+2.2+4.6乘法分配律102×2625×4425×（8＋40）4.8×19＋5.2×193.8×99＋3.8（＋－）×1299×78××＋×＋6.8×10.7－0.7×6.83.7×5.4+3.7×4.618×＋2×－7.35×99＋7.3546×10114×2＋14×3×＋×（＋－）×24×＋0.125×＋0.524×（＋－）60×（＋－）×＋×(－＋）×453.7×5.4+3.7×4.6(++)×123.67×10.1-3.67×0.113.75×-2.75×-73×51+73×496.5×1013.44×99+3.443.6×(++)10.8×6.4+10.8×2.6+10.8432×99×4.7+×0.2(+-)×1.2×20093.96×+3.96×4.98×1.015.87×9936×(--)(+-)×24×+×0.75×31-×5×99+48×50××+×÷7＋×÷＋×÷+÷×＋÷10÷6－×4.6×1＋8.4÷－1×54÷1＋6××＋÷＋6.4÷＋1.25×338×+17×0.25+45×25%6×+13÷4-18×0.257.3×+0.7÷40%×+÷5.76×+×5.76+5.76÷7(+-)÷÷+××+÷9(-)÷3.75×46+375%×53+÷+0.75×8除法、减法的性质3700－2185－8155600÷2.5÷478÷2.5÷0.415.6－2－447－8÷17－－－84.67-(24.67+15.3)380÷1.25÷86.57-2.6-1.4780÷(78×2)9.95-0.68-4.32-4.83-5.1715.8-6.23-3.77-0.62-0.38同一级运算带符号换9.56＋4.875－＋1.444－3＋1－24－1－1.75＋0.4+-+19.87+5.13-0.87+4.87+-+拆分法560÷14(2.5+2.5+2.5+2.5)×161.25×16特殊题目59+59×13+14×41×[－（－）]17.48×37－174.8×1.9－1.748×802009÷××××33×46+66×77(3.4+3.4+3.4++)×(+)×6×88.75×4.6+0.875×543.3×6.7+0.67×33×(120×18)×
